Sound revealing neural activity. The sequences of impulses that neurons use to communicate with each other were recorded by inserting a thin electrode into the brain of a songbird. The signal was then amplified and played on loudspeakers.
Electrophysiological recording: Richard Hahnloser, ETH Zurich and University of Zurich
“the best lay book on brain science I've ever read.” -- Wall Street Journal by Daniel Levitin, author of This Is Your Brain on Music and The World in Six Songs.